महान वैज्ञानिक राईट ब्रदर्स : मैरी जोसफ़ द्वारा मुफ्त हिंदी पीडीएफ पुस्तक | Great Scientist Wright Brothers : by Mary Joseph Free Hindi PDF Book
Pustak ka Vivaran : Mahan Vaigyanikon par yah pustak shrankhala khasakar bachchon ke liye taiyar ki gayi hai. Inhen padhakar bachchon ko lagega ki vigyan adhabhut hai aur isi ke karan sansar hamare rahane ke liye behatar ban gaya hai. In Pustakon mein vaigyanikon ke bachapan ki ghatanaon ko sammilit kiya gaya hai……..
Description about eBook : This book series on great scientists is specially prepared for children. Children will feel that the science is supplemental and due to this the world has become better for our living. The incidents of childhood events of the scientists have been included in these books. Children will know that these great scientists were like them in their childhood and if they work with hard work, passion and self-confidence then one day they can get their destination just like these scientists……….